diff --git a/src/include/switch_event.h b/src/include/switch_event.h
index f68f5b3631..c6df3f5c0d 100644
--- a/src/include/switch_event.h
+++ b/src/include/switch_event.h
@@ -135,7 +135,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_set_priority(switch_event_t *event,
   \param header_name the name of the header to read
   \return the value of the requested header
 */
-	 _Ret_opt_z_ SWITCH_DECLARE(char *) switch_event_get_header(switch_event_t *event, char *header_name);
+	 _Ret_opt_z_ SWITCH_DECLARE(char *) switch_event_get_header(switch_event_t *event, const char *header_name);
 
 #define switch_event_get_header_nil(e, h) switch_str_nil(switch_event_get_header(e,h))
 
diff --git a/src/mod/applications/mod_voicemail/mod_voicemail.c b/src/mod/applications/mod_voicemail/mod_voicemail.c
index 06349f4373..bce8565dba 100644
--- a/src/mod/applications/mod_voicemail/mod_voicemail.c
+++ b/src/mod/applications/mod_voicemail/mod_voicemail.c
@@ -1901,7 +1901,7 @@ static void deliver_vm(vm_profile_t *profile,
 		char *body;
 		char *headers;
 		char *header_string;
-		char tmp[50] = "";
+		char tmpvar[50] = "";
 		int total_new_messages = 0;
 		int total_saved_messages = 0;
 		int total_new_urgent_messages = 0;
@@ -1921,14 +1921,14 @@ static void deliver_vm(vm_profile_t *profile,
 		switch_strftime(date, &retsize, sizeof(date), profile->date_fmt, &tm);
 
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_current_folder", myfolder);
-		switch_snprintf(tmp, sizeof(tmp), "%d", total_new_messages);
-		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_total_new_messages", tmp);
-		switch_snprintf(tmp, sizeof(tmp), "%d", total_saved_messages);
-		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_total_saved_messages", tmp);
-		switch_snprintf(tmp, sizeof(tmp), "%d", total_new_urgent_messages);
-		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_urgent_new_messages", tmp);
-		switch_snprintf(tmp, sizeof(tmp), "%d", total_saved_urgent_messages);
-		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_urgent_saved_messages", tmp);
+		switch_snprintf(tmpvar, sizeof(tmpvar), "%d", total_new_messages);
+		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_total_new_messages", tmpvar);
+		switch_snprintf(tmpvar, sizeof(tmpvar), "%d", total_saved_messages);
+		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_total_saved_messages", tmpvar);
+		switch_snprintf(tmpvar, sizeof(tmpvar), "%d", total_new_urgent_messages);
+		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_urgent_new_messages", tmpvar);
+		switch_snprintf(tmpvar, sizeof(tmpvar), "%d", total_saved_urgent_messages);
+		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_urgent_saved_messages", tmpvar);
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_account", myid);
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_domain", domain_name);
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_caller_id_number", caller_id_number);
@@ -1936,8 +1936,8 @@ static void deliver_vm(vm_profile_t *profile,
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_file_path", file_path);
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_read_flags", read_flags);
 		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_time", date);
-		switch_snprintf(tmp, sizeof(tmp), "%d", priority);
-		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_priority", tmp);
+		switch_snprintf(tmpvar, sizeof(tmpvar), "%d", priority);
+		switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_priority", tmpvar);
 		if (vm_email) {
 			switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_email", vm_email);
 		}
diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index f393f9ad06..e83f60b6d7 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -918,7 +918,7 @@ void sofia_glue_tech_patch_sdp(private_object_t *tech_pvt)
 	q = tech_pvt->local_sdp_str;
 
 	while(p && *p) {
-	    if (!strncmp("c=IN IP", p, 7)) {
+	    if (tech_pvt->adv_sdp_audio_ip && !strncmp("c=IN IP", p, 7)) {
 			strncpy(q, p, 9);
 			p += 9;
 			q += 9;
diff --git a/src/switch_event.c b/src/switch_event.c
index 0c570cd0c9..adc9c21b94 100644
--- a/src/switch_event.c
+++ b/src/switch_event.c
@@ -555,7 +555,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_set_priority(switch_event_t *event,
 	return SWITCH_STATUS_SUCCESS;
 }
 
-SWITCH_DECLARE(char *) switch_event_get_header(switch_event_t *event, char *header_name)
+SWITCH_DECLARE(char *) switch_event_get_header(switch_event_t *event, const char *header_name)
 {
 	switch_event_header_t *hp;
 	switch_assert(event);